4.sd 172 B

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  1. 4 3 0 2 5 0 6 8 7
  2. 0 0 0 4 3 0 2 9 1
  3. 0 0 0 6 0 8 3 0 5
  4. 9 5 0 7 0 3 1 6 0
  5. 1 8 2 5 0 4 0 7 3
  6. 6 7 3 0 0 9 0 0 4
  7. 2 1 7 3 4 0 8 5 9
  8. 8 0 0 0 1 0 0 3 0
  9. 0 9 6 8 7 0 4 1 2